About Rheumatoid Arthritis
Rheumatoid arthritis, or RA, is a chronic (long-term) autoimmune disease involving inflammation in joints and other parts of the body. While there is no cure for RA at present, the search is ongoing and many effective treatments are currently available. Learn more about the causes of RA, what happens when you have RA, symptoms of RA, and more. Provided by the Arthritis Foundation.